<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
<head>
<title>过路口</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="" />
<meta name="keywords" content="" />
<script type="text/javascript">
    var money = 100000;
    var n = 0;
    while(money>5000) {
        if(money > 50000) {
            money = money - money*0.05;
        } else {
            money = money - 5000;
        }
        n++;
    }
    document.write('共可以通过路口' + n + '次');
</script>

<style type="text/css">
</style>
</head>
    <body>
    </body>
</html>